Finding the Fourth Proportional to 2,171,863.34, 2,997,171.76 and 1,204,991.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,863.34 : 2,997,171.76 = 1,204,991.32 : x
2. Step 2: Convert to fraction form
   2,171,863.34/2,997,171.76 = 1,204,991.32/x
3. Step 3: Cross multiply
   2,171,863.34x = 2,997,171.76 × 1,204,991.32
4. Step 4: Simplify right side
   2,171,863.34x = 3,611,565,955,349.12
5. Step 5: Solve for x
   x = 3,611,565,955,349.12/2,171,863.34
6. Step 6: Final answer
   x = 1,662,888.22